The Counter,rotating, cataloged under National Stock Number 6680-00-446-1700, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-446-1700 |
| Primary Part Number | 1851315-1 |
| Item Name | Counter,rotating |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Numeral Display Method | DRUM |
| Register Quantity | 1 |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Mounting Arrangement Style | FOUR POSITION SQUARE/RECTANGLE |
| Shaft Diameter | 0.187 INCHES NOMINAL IN |
| Figure Quantity Per Register | UNABLE TO DECODE |
| Style Designator | SQUARE/RECTANGULAR CASED |
| Longest Vertical Distance Between Mounting Centers | 0.500 INCHES NOMINAL IN |
| Actuating Device Location | LEFT SIDE SINGLE REGISTER SINGLE TIER |
| Figure Height | UNABLE TO DECODE |
| Shaft Length | 0.500 INCHES NOMINAL IN |
| Mounting Type for Which Designed | UNABLE TO DECODE |
| Register Reset Method | UNABLE TO DECODE |
| Longest Horizontal Distance Between Mounting Centers | 1.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1851315-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 1851315-1 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 1876537RHPC34 | Northrop Grumman Systems Corporation (USA) |
| 1876537RHPC34 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 6680-00-446-1700 is a Counter,rotating, manufactured by Northrop Grumman Systems Corporation, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-446-1700 has 4 manufacturer part numbers on file: 1851315-1 (Northrop Grumman Systems Corporation), 1851315-1 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1876537RHPC34 (Northrop Grumman Systems Corporation), 1876537RHPC34 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 1851315-1: Numeral Display Method: DRUM; Register Quantity: 1; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Overall Height: 1.000 INCHES NOMINAL IN. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.